640439042 is an even 9-digits composite number following 640439041
and preceding 640439043 . In scientific notation, it is written as 6.40439042 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 302657472 positive integers (up to 640439042) that are relatively prime to 640439042.
640439042 has 16 divisors, whose sum is 1013580960
The reverse of 640439042 is 240934046
Previous prime number is 433
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
six hundred forty million four hundred thirty-nine thousand forty-two
Scientific notation
6.40439042 × 10^8
Engineering notation
6.40439042 × 10^6
Prime Factorization
2 × 19 × 433 × 38923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
640439042
Product of the distinct prime numbers
The prime factorization of 640439042 is 2 × 19 × 433 × 38923.
Since it has a total of 4 prime factors.
2 , 1 , 44 , 8 , 712 , 728 , 7225 , 2532 , 59913 , 65662 , 886951 , 447929 , 6766896 , 6843159 , 98363301 , 32597606 , 21280707 , 224421185 , 6891682633 , 3330689799
n×2
1280878084
n×3
1921317126
n×4
2561756168
n×5
3202195210
n÷2
320219521
n÷3
213479680.66667
n÷3
160109760.5
n÷5
128087808.4
n2
410162166517877764
n3
2.6268386498935E+26
n4
1.6823300284264E+35
n5
1.0774298317332E+44
2 √n
25306.897123116
3 √n
861.97089082602
4 √n
159.0814166492
5 √n
57.715911637742
1 , 2 , 19 , 38 , 433 , 866 , 8227 , 16454 , 38923 , 77846 , 739537 , 1479074 , 16853659 , 33707318 , 320219521 , 640439042
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640439041
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640439042 can be divided by 16 positive divisors.
The sum of these divisors (counting 640439042) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001011000101001100000010
3
Ternary
1122122002200012112
4
Quaternary
212023011030002
5
Quinary
2302423022132
6
Senary
143314455322
8
Octal
4613051402
10
Decimal
640439042
12
Duodecimal
15a594542
16
Hexadecimal
262c5302
20
Vigesimal
a02ehc2
36
Base36
alatxe
md5
1ad36ca7ad6b18e65196f41248c88fa7
sha1
7f8a22d54cd16eeed0a1c51797ad8ab63dcedc14
sha256
44ba0ddc9e1e279ff2be98e7b5391b9fd542bc6b55fc847baf802aa0226a1fcb
sha512
a32619ae0e5fa92760f6bf8ef10cdc7818185aa0d3c12b1a6fdb0c03b3f63ab299b920273a95fc9752b74d75d2f3632303b5e643b9ce0d9525717cfcd25fdcac
ripemd-160
3d548beffe949bf0bf860ee79149e826ab188bb2
Diameter
1280878084
Circumference
4023997178.8386
Area
1.288562449113E+18
Volume
1.1003276006228E+27
Surface area
5.1542497964522E+18
Circumference
4023997178.8386
Perimeter
2561756168
Area
410162166517877764
Diagonal
905717579.06963
Surface area
2460972999107266584
Volume
2.6268386498935E+26
Space diagonal
1109272959.8947
Perimeter
1921317126
Area
1.7760542793787E+17
Altitude
554636479.94737
Surface area
1.7760542793787E+17
Volume
3.0957590373711E+25
Height
301905859.68988